Schmetz Sewing Machine Needles

 Schmetz Universal sewing machine needles. 5 per pack. 

This how Schmetz describes their Universal sewing machine needles

Feature:    Slightly rounded point.
Fabric Use:    Numerous - wovens and knits. A great general purpose needle. Works with all household sewing machine brands.
Quantity:   Five (5) needles per card.

Choose your size - Here is some guidance from Threads Magazine

Choose a size 60/8 needle for lightweight fabrics similar to georgette or organdy; a 70/10 or 80/12 needle for medium-weight jersey, Lycra, linen, or calf leather; a 90/14 and 100/16 for heavy fabrics like jeans, vinyl, upholstery or canvas; and 110/18 or 120/19 for very heavy fabrics.